Physics news

Towards the magnetic fridge

Researchers at the University of Cambridge have discovered a material that gives a whole new complexion to the term 'fridge magnet'. When this alloy is placed in a magnetic field, it gets colder. Karl Sandeman and his co-workers ...

Apr 21, 2006
4.7 / 5 (141) 0

MIT tests unique approach to fusion power

An MIT and Columbia University team has successfully tested a novel reactor that could chart a new path toward nuclear fusion, which could become a safe, reliable and nearly limitless source of energy.

Mar 28, 2008
4.6 / 5 (142) 15

Our Universe: A Quantum Loop

“There are two classical branches of the universe connected by a quantum bridge. This connects the former collapse with the current expansion.” While Abhay Ashtekar and his colleagues, Tomasz Pawlowski and Parampreet ...

Apr 25, 2006 feature
4.6 / 5 (140) 5

Quantum Computer: Laser tweezers sort atoms

Physicists of the University of Bonn have taken one more important hurdle on the path to what is known as a quantum computer: by using 'laser tweezers' they have succeeded in sorting up to seven atoms and lining ...

Jul 12, 2006
4.4 / 5 (146) 0

The Physics of Santa Claus

Calculations maintain that the laws of physics should prevent Santa Claus from delivering all his gifts and that Santa would burn up in the atmosphere if he tried. The internet magazine,, has ...

Dec 23, 2004
3.8 / 5 (165) 0

A sound way to turn heat into electricity

University of Utah physicists developed small devices that turn heat into sound and then into electricity. The technology holds promise for changing waste heat into electricity, harnessing solar energy and ...

Jun 04, 2007
4.7 / 5 (136) 0

Physicists generate ball-lightning in the lab

Scientists in the joint study group of Max-Planck-Institut für Plasmaphysik and Berlin’s Humboldt University have generated ball-lightning in the laboratory - or, to be more precise, ball-lightning-like ...

Jun 06, 2006
4.5 / 5 (140) 0